Monolithic Power Systems, Inc.
MPWR- Exchange
- Nasdaq
- Industry
- Semiconductors & Related Devices
- SEC CIK
- 0001280452
In the last 90 days, Monolithic Power Systems, Inc. insiders filed 0 open-market purchases and 8 sales; 1,250 institutions reported holding it in 13F filings for Q2 2026, worth $65.6B in total; superinvestors D1 Capital Partners and Maverick Capital hold it.
13F holders, Q1 2023
Institutional positions in Monolithic Power Systems, Inc. as of Mar 31, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 669
- +68 vs. Q4 2022
- Shares held
- 47.2M
- +427.4K (+0.9%) vs. Q4 2022
- Total value
- $23.3B
- +$6.76B (+40.9%) vs. Q4 2022
- New holders
- 128
- 233 more added
- Sold out
- 60
- 230 more reduced
10 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2022: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting MPWR on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 1,250 | $65.6B |
| Q1 2026 | 1,124 | $51.6B |
| Q4 2025 | 1,061 | $44.2B |
| Q3 2025 | 981 | $43.0B |
| Q2 2025 | 907 | $34.6B |
| Q1 2025 | 862 | $27.0B |
| Q4 2024 | 864 | $27.6B |
| Q3 2024 | 885 | $42.8B |
| Q2 2024 | 838 | $38.6B |
| Q1 2024 | 807 | $31.2B |
| Q4 2023 | 737 | $28.6B |
| Q3 2023 | 655 | $21.2B |
| Q2 2023 | 652 | $25.2B |
| Q1 2023 | 669 | $23.3B |
| Q4 2022 | 611 | $16.5B |
| Q3 2022 | 630 | $16.6B |
| Q2 2022 | 625 | $16.8B |
| Q1 2022 | 611 | $21.3B |
| Q4 2021 | 627 | $21.5B |
| Q3 2021 | 579 | $21.1B |
| Q2 2021 | 533 | $16.1B |
| Q1 2021 | 530 | $15.1B |
Institutions, Q1 2023
Shares, value and share of portfolio for each institution holding Monolithic Power Systems, Inc.; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 5,174,126 | $2.59B | 0.08% | −281,074−5.2% | Reduced |
| Vanguard Group Inc | 5,147,685 | $2.58B | 0.07% | +29,374+0.6% | Added |
| Price T Rowe Associates Inc | 3,334,397 | $1.67B | 0.25% | −317,048−8.7% | Reduced |
| State Street Corp | 1,811,967 | $908.7M | 0.05% | +53,355+3.0% | Added |
| FMR LLC | 1,757,149 | $879.5M | 0.08% | +293,326+20.0% | Added |
| Franklin Resources Inc | 1,707,607 | $854.7M | 0.43% | +32,399+1.9% | Added |
| Invesco Ltd. | 1,640,005 | $820.9M | 0.23% | +153,812+10.3% | Added |
| Massachusetts Financial Services Co | 1,130,907 | $566.1M | 0.19% | +10,954+1.0% | Added |
| Brown Advisory Inc | 1,027,102 | $514.1M | 0.87% | −32,592−3.1% | Reduced |
| Geode Capital Management, LLC | 966,299 | $482.6M | 0.06% | +13,218+1.4% | Added |
| Artisan Partners Limited Partnership | 812,304 | $406.6M | 0.67% | −51,371−5.9% | Reduced |
| Bank of America Corp | 721,842 | $361.3M | 0.04% | +62,933+9.6% | Added |
| JPMorgan Chase & Co | 671,820 | $336.3M | 0.04% | +277,563+70.4% | Added |
| Nuveen Asset Management, LLC | 662,475 | $331.6M | 0.12% | −145,091−18.0% | Reduced |
| Macquarie Group Ltd | 634,500 | $317.6M | 0.38% | −11,138−1.7% | Reduced |
| Capital Research Global Investors | 570,556 | $285.6M | 0.08% | +122,703+27.4% | Added |
| Van Eck Associates Corp | 518,531 | $259.5M | 0.59% | −18,835−3.5% | Reduced |
| Norges Bank | 485,567 | $243.0M | 0.05% | +60,712+14.3% | Added |
| Alliancebernstein L.P. | 452,155 | $226.3M | 0.10% | −78,621−14.8% | Reduced |
| Northern Trust Corp | 448,889 | $224.7M | 0.04% | +3,871+0.9% | Added |
| Clearbridge Investments, LLC | 424,396 | $212.4M | 0.20% | −23,444−5.2% | Reduced |
| Allspring Global Investments Holdings, LLC | 415,604 | $208.0M | 0.35% | −33,358−7.4% | Reduced |
| Los Angeles Capital Management LLC | 392,763 | $196.6M | 0.87% | +9,112+2.4% | Added |
| Impax Asset Management Group plc | 378,712 | $188.8M | 0.79% | −79,878−17.4% | Reduced |
| Bank of New York Mellon Corp | 375,669 | $188.0M | 0.04% | −3,390−0.9% | Reduced |
| Wasatch Advisors Inc | 361,679 | $181.0M | 1.13% | −14,179−3.8% | Reduced |
| Wellington Management Group LLP | 340,029 | $170.2M | 0.03% | +53,901+18.8% | Added |
| Polar Capital Holdings Plc | 336,973 | $168.7M | 1.24% | +39,853+13.4% | Added |
| Eagle Asset Management Inc | 336,687 | $168.5M | 0.99% | +204+0.1% | Added |
| Morgan Stanley | 324,309 | $162.3M | 0.02% | −58,101−15.2% | Reduced |
| Voya Investment Management LLC | 305,974 | $153.2M | 0.16% | +10,493+3.6% | Added |
| Neuberger Berman Group LLC | 301,818 | $150.6M | 0.14% | −223,650−42.6% | Reduced |
| Legal & General Group Plc | 277,059 | $138.7M | 0.05% | +5,048+1.9% | Added |
| Congress Asset Management Co | 276,620 | $138.5M | 1.29% | −36,253−11.6% | Reduced |
| American Century Companies Inc | 283,229 | $138.1M | 0.11% | −36,843−11.5% | Reduced |
| Ameriprise Financial Inc | 274,581 | $137.5M | 0.05% | +2,990+1.1% | Added |
| Charles Schwab Investment Management Inc | 255,188 | $127.7M | 0.04% | +5,236+2.1% | Added |
| Robeco Schweiz AG | 238,650 | $119.5M | 1.93% | −2,730−1.1% | Reduced |
| SEI Investments Co | 237,926 | $119.1M | 0.22% | +20,965+9.7% | Added |
| Lord, Abbett & Co. LLC | 231,636 | $115.9M | 0.42% | +45,668+24.6% | Added |
| Rafferty Asset Management, LLC | 213,067 | $106.6M | 0.72% | +31,655+17.4% | Added |
| Whale Rock Capital Management LLC | 208,472 | $104.3M | 2.30% | +155,555+294.0% | Added |
| Earnest Partners LLC | 205,202 | $102.7M | 0.59% | +10,703+5.5% | Added |
| Goldman Sachs Group Inc | 201,284 | $100.8M | 0.03% | −27,792−12.1% | Reduced |
| Millennium Management LLC | 197,980 | $99.1M | 0.12% | −250,979−55.9% | Reduced |
| Holocene Advisors, LP | 195,548 | $97.9M | 0.49% | −282,559−59.1% | Reduced |
| Renaissance Technologies LLC | 194,386 | $97.3M | 0.13% | +102,200+110.9% | Added |
| DekaBank Deutsche Girozentrale | 182,085 | $90.2M | 0.23% | +4,607+2.6% | Added |
| Citadel Advisors LLC | 177,347 | $88.8M | 0.10% | +174,965+7,345.3% | Added |
| Swiss National Bank | 176,900 | $88.5M | 0.06% | −3,700−2.0% | Reduced |
| Principal Financial Group Inc | 173,319 | $86.8M | 0.06% | +33,929+24.3% | Added |
| Kayne Anderson Rudnick Investment Management LLC | 170,561 | $85.4M | 0.25% | +9,500+5.9% | Added |
| UBS Asset Management Americas Inc | 169,193 | $84.7M | 0.04% | −7,601−4.3% | Reduced |
| Vaughan Nelson Investment Management, L.P. | 162,026 | $81.1M | 1.00% | +8,403+5.5% | Added |
| TD Asset Management Inc | 161,236 | $80.7M | 0.10% | −20,193−11.1% | Reduced |
| Ensign Peak Advisors, Inc | 157,158 | $78.7M | 0.17% | −5,013−3.1% | Reduced |
| Balyasny Asset Management LLC | 145,910 | $73.0M | 0.24% | +143,603+6,224.7% | Added |
| CIBC Private Wealth Group, LLC | 143,407 | $71.8M | 0.21% | +36,573+34.2% | Added |
| Frontier Capital Management Co LLC | 141,962 | $71.1M | 0.73% | +4,200+3.0% | Added |
| Dimensional Fund Advisors LP | 139,211 | $69.7M | 0.02% | +2,662+1.9% | Added |
| Envestnet Asset Management Inc | 876,025 | $69.4M | 0.03% | +733,832+516.1% | Added |
| STRS Ohio | 133,569 | $66.9M | 0.29% | −35,222−20.9% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 126,445 | $63.3M | 0.05% | −5,885−4.4% | Reduced |
| TimesSquare Capital Management, LLC | 125,170 | $62.7M | 0.92% | −13,260−9.6% | Reduced |
| BNP Paribas Arbitrage, SA | 122,300 | $61.2M | 0.13% | +81,230+197.8% | Added |
| Baird Financial Group, Inc. | 122,064 | $61.1M | 0.15% | −36,160−22.9% | Reduced |
| D. E. Shaw & Co., Inc. | 121,533 | $60.8M | 0.10% | −47,877−28.3% | Reduced |
| Summit Partners Public Asset Management, LLC | 116,721 | $58.4M | 3.28% | +41,997+56.2% | Added |
| Grandeur Peak Global Advisors, LLC | 110,664 | $55.4M | 3.38% | −10,982−9.0% | Reduced |
| Victory Capital Management Inc | 110,303 | $55.2M | 0.06% | −24,785−18.3% | Reduced |
| Barclays PLC | 109,827 | $55.0M | 0.06% | +19,321+21.3% | Added |
| UBS Group AG | 106,887 | $53.5M | 0.02% | +35,736+50.2% | Added |
| Rhumbline Advisers | 106,150 | $53.1M | 0.07% | +5,230+5.2% | Added |
| Deutsche Bank AG | 100,324 | $50.2M | 0.03% | +9,486+10.4% | Added |
| New York State Common Retirement Fund | 98,617 | $49.4M | 0.07% | −7,558−7.1% | Reduced |
| Eventide Asset Management, LLC | 97,331 | $48.7M | 0.89% | −20,316−17.3% | Reduced |
| Citigroup Inc | 96,544 | $48.3M | 0.06% | +12,536+14.9% | Added |
| Royal Bank of Canada | 93,327 | $46.7M | 0.01% | −6,153−6.2% | Reduced |
| Caisse de Depot Et Placement du Quebec | 92,634 | $46.4M | 0.13% | +74,926+423.1% | Added |
| California Public Employees Retirement System | 92,284 | $46.2M | 0.04% | −12,889−12.3% | Reduced |
| Allianz Asset Management GmbH | 92,181 | $46.1M | 0.10% | −6,996−7.1% | Reduced |
| Wells Fargo & Company | 89,612 | $44.9M | 0.01% | +2,634+3.0% | Added |
| Segall Bryant & Hamill, LLC | 83,259 | $41.7M | 0.45% | −8,325−9.1% | Reduced |
| Jupiter Asset Management Ltd | 75,213 | $37.6M | 0.52% | −46,085−38.0% | Reduced |
| California State Teachers Retirement System | 73,978 | $37.0M | 0.06% | −411−0.6% | Reduced |
| Raymond James & Associates | 73,271 | $36.7M | 0.03% | +3,135+4.5% | Added |
| Natixis Advisors, L.P. | 72,636 | $36.4M | 0.13% | +9,335+14.7% | Added |
| Pembroke Management, LTD | 71,345 | $35.7M | 3.91% | −5,369−7.0% | Reduced |
| Glenmede Trust Co NA | 71,072 | $35.6M | 0.20% | +363+0.5% | Added |
| National Pension Service | 69,172 | $34.4M | 0.06% | −5,791−7.7% | Reduced |
| LPL Financial LLC | 66,744 | $33.4M | 0.03% | −1,271−1.9% | Reduced |
| Manufacturers Life Insurance Company, The | 64,122 | $32.1M | 0.02% | +1,817+2.9% | Added |
| HSBC Holdings PLC | 63,461 | $31.8M | 0.04% | −17,230−21.4% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 58,706 | $29.4M | 0.07% | +6,092+11.6% | Added |
| Credit Suisse AG | 57,414 | $28.7M | 0.03% | −263−0.5% | Reduced |
| EULAV Asset Management | 55,311 | $27.7M | 1.09% | +55,311 | New |
| State Board of Administration of Florida Retirement System | 53,611 | $26.8M | 0.06% | −2,170−3.9% | Reduced |
| Scout Investments, Inc. | 52,990 | $26.5M | 0.54% | +31,472+146.3% | Added |
| Thrivent Financial for Lutherans | 52,555 | $26.3M | 0.06% | −34,691−39.8% | Reduced |
| Stifel Financial Corp | 52,250 | $26.2M | 0.04% | −22,239−29.9% | Reduced |